Calculate Molecular Formula From Empirical - Practice - 2

Allicin is the compound responsible for the characteristic smell of garlic. An analysis of the compound gives the following percent composition by mass: C:44.4 percent; H: 6.21 percent; S: 39.5 percent; O: 9.86 percent. Calculate its empirical formula. What is its molecular formula given that its molar mass is about 162 g?

Teachers Pay Teachers Practice Worksheets:
Molecular Formula Practice 1.0:
Answer Key 2.0:

Question is credited to Chang Chemistry 10th Edition Question 3.43

[thomascholak]

Thank you for this fantastic tutorial, it really helped me out especially since everything is online this year.

[titi]

How can I get the molecular formula if the problem doesn't state the molar mass? I hope you can help me.